Jobs in the United States

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Added 1 min ago
A
Installation Technician II
AVI-SPL
Cleveland, OH
- $23.07 to $29.81 USD / hour
Demonstrate job site leadership and oversee Level 1 Technicians quality of work
Added 5 mins ago
Principal Tech Ops Engineer, AWS Rack Manufacturing
Amazon Data Services, Inc.
Salt Lake City, UT
We are seeking a Principal Tech Operations Engineer to lead and scale regional manufacturing operations across a complex, multi vendor hardware production ecosystem. This role owns the end…
Added 7 mins ago
Associate Chassis Engineer
Ford
Long Beach, CA · Long Beach
As an Associate Chassis Engineer, you will drive the design, development, and execution of novel chassis components and sub-systems - including brakes, steering, wheels, tires, and…
Added 13 mins ago
Sr Electrical Engineer
Sierra Nevada Corporation
Lone Tree, CO
…through technology and imagination! As a Senior Electrical Engineer, you will be a technical leader in the design, development, and testing of electrical/electronic systems for highly…
Added 13 mins ago
Principal Software Engineer
Sierra Nevada Corporation
Remote, United States
…in an agile, collective environment. As a Principal Software Engineer, you will provide technical leadership and strategic direction for the development and optimization of advanced…
Added 14 mins ago
UG
Senior Software Engineer
UnitedHealth Group
Minneapolis, MN
- $91,700 to $163,700 USD / year
As a Senior Software Engineer, you will provide technical leadership for ECDH development supporting URQP, a critical clinical quality initiative. You will lead and mentor a team of…
Added 16 mins ago
Project Manager - Mechanical Self-perform
Sundt
Tempe, AZ · Phoenix, AZ
…provide for a progression of skill and experience. The Step I level is capable of less complex projects of $20 million and under in size and typically with 3 to 5 years of experience in…
Added 24 mins ago
KI
Staff Embedded Systems Engineer
Karman Industries
Los Angeles, CA
- $155,000 to $225,000 USD / year
Karman Industries is seeking a highly motivated Embedded Systems Engineer to join our team designing the next generation of heat processing systems. The candidate will design, develop, and…
Added 25 mins ago
Sales Solutions Engineer - Ed Tech
Coursedog
Remote, United States
As a Solutions Engineer at Coursedog, you’ll lead the demos, scoping, and CX calls that align customers, Sales, and Customer Success before a deal is booked. You’ll work closely with…
Added 28 mins ago
Associate Chassis Engineer
Ford Global
Long Beach, CA
As an Associate Chassis Engineer, you will drive the design, development, and execution of novel chassis components and sub-systems - including brakes, steering, wheels, tires, and…
Added 41 mins ago
Engineer- Manufacturing Technology Scaling I USA
First Solar Inc
Walbridge, OH
…experience or 1 year of experience as Associate Development Engineer or Shift Manufacturing Engineer at First Solar. - Master's Degree in an engineering discipline or similar technical…
Added 42 mins ago
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I&C Engineer (Remote)
Actalent
Albuquerque, NM
- $40.87 to $60 USD / hour
I&C EngineerWe are seeking a mid-level Electrical / I&C Engineer to support industrial and oil & gas projects, focusing on power systems design and integrity initiatives. This role involves…
Added 42 mins ago
RF ICT Senior Engineer
Huntington Ingalls Industries
Dayton, OH · Wright Patterson AFB, OH
HII – Mission Technology is looking for a Senior Engineer to support a program at Wright-Patterson AFB, Ohio. Applicant would be the deputy engineer for the RF integrated capability team.…
Added 43 mins ago
Stage Responsible Engineer (RE)
Stoke Space
Kent, WA
…domains including structures, avionics, propulsion, and fluid systems. You will be responsible for managing the team of engineers dedicated to your stage, coaching them, and growing them…
Added 45 mins ago
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Mid-level Enterprise Systems Engineer
TEKsystems
Mason, MI
- $45 to $55 USD / hour
Serve in the the area of system administration for complex operating systems, responsible for successful implementation, and system availability.
Added 52 mins ago
AP
Rotational Engineer, Central Technology
ACTIVISION PUBLISHING, INC.
United States
- $30.53 to $56.48 USD / hour
Sometimes you have to decode to get through some comms. If you know LUA, Python or Java you can level the game
Added 1 hour ago
MC
Network Engineer / Telecom Specialist – Contract (Raleigh, NC)
Mfinite Consulting
Raleigh · Raleigh, NC
- $38 to $47 USD / hour
$38 – $47 per hour, based on experience and skill level
Added 1 hour ago
Launch Ops Manufacturing Engineer III
Blue Origin Personnel, LLC
Space Coast, FL
…manufacturing, industrial, or process engineering. (0-3 years Level I Engineer, 3+ Level II Engineer, 5+ Level III Engineer, 8+ SR Level…
Added 1 hour ago
Cyber Defense Analyst II
Blue Origin Personnel, LLC
Denver, CO · Space Coast, FL
…to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the…
Added 1 hour ago
Principal RF/mmWave IC Layout Design Engineer – TeraWave
Blue Origin Personnel, LLC
San Diego, CA · Cupertino, CA
We are seeking a Principal RF/mmWave IC Layout Design Engineer to lead the physical implementation and top-level integration of state-of-the-art RF/mmWave integrated circuits at Blue…
Added 1 hour ago
J
Senior Manager, AI Enablement
Justworks
NY
- $188,000 to $242,000 USD / year
…more accessible across Justworks. You'll start with one senior engineer, help hire another, and build a collaborative environment where both can grow, learn from each other, and do their…
Added 1 hour ago
Site Reliability Engineer - Vice President
Citi
TAMPA, FL · IRVING, TX · Tampa, FL · Irving, TX · Tampa · Irving
The Site Reliability Engineer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology…
Added 1 hour ago
Mechanical Engineer III+
HEAPY
Indianapolis, IN
The Mechanical Engineer performs a variety of assignments involving the application of standard mechanical design engineering techniques for HEAPY Education Team projects. This position…
Added 1 hour ago
Big Data Systems Engineer
KBR
Niceville, FL · Denver, CO · Huntsville, AL · Los Angeles, CA · Tampa, FL · Washington, DC
KBR is seeking a Big Data Systems Engineer to join our team. The successful candidate will be part of the KBR team supporting the Test Resource Management Center’s (TRMC) Big Data (BD) and…
Added 1 hour ago
Senior Backend Engineer - Microservices
GD Information Technology, Inc.
Remote, United States
…support scalable microservices powering critical enterprise systems. You will collaborate across product, architecture, and cloud engineering teams, ensuring high‑quality delivery within a…

K2 Space

Senior Modeling & Simulation Engineer (TS/SCI)

Los Angeles, CA, United States

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Job details

Experience: 5+ years of professional modeling and simulation experience.
Posting language: English
Posted: Oct 30, 2026

Original job description

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price - and with over $1 billion in signed contracts across commercial and US government customers, we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space.

The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.

With multiple launches in 2027 and plans to scale to 100 satellites a year, we're Building Bigger - helping develop the solar system and build toward a Kardashev Type II (K2) civilization. If you are a motivated individual who thrives in a fast-paced environment and you're excited about contributing to the success of a high-growth Series D-funded company, we'd love for you to apply.

The Role

You will build the modeling and simulation capabilities that let us design, verify, and operate spacecraft for demanding national security missions. You will simulate and verify the software that flies and orchestrates some of the largest satellites ever flown, and model how those systems perform against real mission objectives, threats, and operational constraints. As a senior member of the team, you will drive solutions end-to-end across the software stack, make changes to vehicle control software where needed, set technical direction, and mentor other engineers.

In your first 3 months you will generalize our simulation tools to operate in classified contexts, modeling multiple spacecraft and mission profiles, demonstrating robust performance in contested and demanding environments. In your first 6 months you will design many-agent, mission-level simulations and tools for operating entire constellations, directly informing mission assurance and critical company and program decisions.

This role supports classified national security programs. Work is performed on-site in a secure environment and requires an active TS/SCI clearance and US citizenship.

Responsibilities

Develop mission-level modeling and simulation of national security space missions, capturing operational objectives, environments, and constraints.
Model and analyze constellation-level capability and performance against mission requirements, including network coverage, beam planning, and resilience in contested environments.
Support work on classified programs in accordance with all applicable security requirements.
Create and maintain simulation software infrastructure for our 20kW+ spacecraft.
Develop physics-based software models of spacecraft subsystems, including propulsion, attitude control, power, and communications systems.
Create and utilize robust tools to allow for rapid deployment of quality code.
Perform data analysis and anomaly investigation to identify and resolve on-orbit problems.
Support integration and testing of spacecraft subsystems.
Set technical direction, review designs and code, and mentor junior engineers.

Qualifications

• Active U.S. government security clearance (any level), or a clearance held within the last 12 months, and US Citizenship

Prior experience working on classified national security programs and in secure/SCIF environments, including familiarity with handling classified information and program security protocols.
Bachelor's degree in physics, aerospace/mechanical/electrical engineering, computer science, math, or a STEM field
5+ years of professional modeling and simulation experience.
Development experience in Rust, C++, or similar compiled language.
Experience using scientific Python (NumPy, SciPy, etc.), Julia, MATLAB, or similar.
Demonstrated ability to own complex systems end-to-end and guide the work of other engineers.

Nice to Have

Master's or PhD in physics, aerospace/mechanical/electrical engineering, computer science, math, or a STEM field.
Experience with mission-level or campaign-level modeling and simulation for defense or national security applications.
Facility communicating intuition and expertise effectively to stakeholders.
Experience working in Rust production environments.
Experience defining and creating simulation systems.
Experience with Monte Carlo simulations and probability/statistics.
Experience with linear algebra, controls, and/or orbital mechanics.
Experience with space communication modeling (RF, ground stations).
Basic knowledge of electronics, Linux, and computer architecture.
Experience with continuous integration and continuous delivery systems.

Compensation and Benefits:

Base salary range for this role is $160,000 - $200,000 + equity in the company
Salary will be based on several factors including, but not limited to: knowledge and skills, education, and experience level
Comprehensive benefits package including paid time off, medical/dental/vision/ coverage, life insurance, paid parental leave, and many other perks

If you don’t meet 100% of the preferred skills and experience, we encourage you to still apply! Building a spacecraft unlike any other requires a team unlike any other and non-traditional career twists and turns are encouraged!

If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.

Export Compliance

As defined in the ITAR, “U.S. Persons” include U.S. citizens, lawful permanent residents (i.e., Green Card holders), and certain protected individuals (e.g., refugees/asylees, American Samoans). Please consult with a knowledgeable advisor if you are unsure whether you are a “U.S. Person.”

The person hired for this role will have access to information and items controlled by U.S. export control regulations, including the export control regulations outlined in the International Traffic in Arms Regulation (ITAR). The person hired for this role must therefore either be a “U.S. person” as defined by 22 C.F.R. § 120.15 or otherwise eligible for a federally issued export control license.

Equal Opportunity

K2 Space is an Equal Opportunity Employer; employment with K2 Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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